An aquarium wave maker is an optional piece of equipment to make your fish tank look more realistic. You can use a wave maker to enhance the aesthetic of an aqua scape, allow fish and pond plants to move more naturally, and improve your fish’s health. You might notice that your fish swim primarily in the water flow created by aquarium pumps and avoid the stiller spots in your fish tank – this is because they are used to swimming in moving water and enjoy the sensation!